Construction & estimating · Site operations
Scaffold take-off (modular) calculator
Component count for a single-run modular scaffold, with tie count and hire cost.
Standard: Bays × lifts · standards, ledgers, transoms, boards, ties
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Inputs in the worked example
The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.
| Input | Value | Unit |
|---|---|---|
| Run length | 24 | m |
| Height | 9 | m |
| Bay length | 2.4 | m |
| Lift height | 2 | m |
| Platform width | 1.2 | m |
| Boarded lifts | 2 | |
| Area per tie | 16 | m² |
| Hire rate | 4.5 | $/m²/wk |
| Hire period | 8 | wk |
Worked example — results
| Result | Value | Unit |
|---|---|---|
| Bays / lifts | 10 / 5 | |
| Standards (count / m) | 22 / 198 | m |
| Ledgers | 120 | |
| Transoms | 66 | |
| Boards | 120 | |
| Ties | 14 | |
| Face area | 216 | m² |
| Hire cost | $7,776 |
Method, formulas and assumptions
- Ledgers = 2 × bays × (lifts + 1); transoms = (bays + 1)(lifts + 1)
- Scaffold over 4 m must be erected by a licensed scaffolder to AS/NZS 4576
- Rates and productivities are example inputs. Replace them with supplier, plant-hire and crew figures for your site.
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For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.